// // Tests that multi-writes (update/delete) target *all* shards and not just shards in the collection // import {ShardingTest} from "jstests/libs/shardingtest.js"; let st = new ShardingTest({shards: 3, mongos: 2}); let admin = st.s0.getDB("admin"); let coll = st.s0.getCollection("foo.bar"); assert.commandWorked(admin.runCommand({enableSharding: coll.getDB() + "", primaryShard: st.shard0.shardName})); assert.commandWorked(admin.runCommand({shardCollection: coll + "", key: {skey: 1}})); assert.commandWorked(admin.runCommand({split: coll + "", middle: {skey: 0}})); assert.commandWorked(admin.runCommand({split: coll + "", middle: {skey: 100}})); assert.commandWorked(admin.runCommand({moveChunk: coll + "", find: {skey: 0}, to: st.shard1.shardName})); assert.commandWorked(admin.runCommand({moveChunk: coll + "", find: {skey: 100}, to: st.shard2.shardName})); jsTest.log("Testing multi-update..."); // Put data on all shards assert.commandWorked(st.s0.getCollection(coll.toString()).insert({_id: 0, skey: -1, x: 1})); assert.commandWorked(st.s0.getCollection(coll.toString()).insert({_id: 1, skey: 1, x: 1})); assert.commandWorked(st.s0.getCollection(coll.toString()).insert({_id: 0, skey: 100, x: 1})); // Sharded updateOnes that do not directly target a shard can now use the two phase write // protocol to execute. assert.commandWorked(coll.update({x: 1}, {$set: {updated: true}}, {multi: false})); assert.commandWorked(coll.update({x: 1}, {$set: {updated: true}}, {multi: true})); // Ensure update goes to *all* shards assert.neq(null, st.shard0.getCollection(coll.toString()).findOne({updated: true})); assert.neq(null, st.shard1.getCollection(coll.toString()).findOne({updated: true})); assert.neq(null, st.shard2.getCollection(coll.toString()).findOne({updated: true})); // _id update works, and goes to all shards even on the stale mongos let staleColl = st.s1.getCollection("foo.bar"); assert.commandWorked(staleColl.update({_id: 0}, {$set: {updatedById: true}}, {multi: false})); // Ensure _id update goes to at least one shard assert( st.shard0.getCollection(coll.toString()).findOne({updatedById: true}) != null || st.shard2.getCollection(coll.toString()).findOne({updatedById: true}) != null, ); jsTest.log("Testing multi-delete..."); // Sharded deleteOnes that do not directly target a shard can now use the two phase write // protocol to execute. assert.commandWorked(coll.remove({x: 1}, {justOne: true})); assert.commandWorked(coll.remove({x: 1}, {justOne: false})); // Ensure delete goes to *all* shards assert.eq(null, st.shard0.getCollection(coll.toString()).findOne({x: 1})); assert.eq(null, st.shard1.getCollection(coll.toString()).findOne({x: 1})); assert.eq(null, st.shard2.getCollection(coll.toString()).findOne({x: 1})); // Put more on all shards assert.commandWorked(st.shard0.getCollection(coll.toString()).insert({_id: 0, skey: -1, x: 1})); assert.commandWorked(st.shard1.getCollection(coll.toString()).insert({_id: 1, skey: 1, x: 1})); assert.commandWorked(st.shard2.getCollection(coll.toString()).insert({_id: 0, skey: 100, x: 1})); assert.commandWorked(coll.remove({_id: 0}, {justOne: true})); // Ensure _id update goes to all shards assert.eq(null, st.shard0.getCollection(coll.toString()).findOne({x: 1})); assert.eq(null, st.shard2.getCollection(coll.toString()).findOne({x: 1})); st.stop();